b25a8999be
This will be useful for the SSL stack to properly resurface handshake failures. Leave this in a private header and, along the way, hide the various types. (ERR_NUM_ERRORS didn't change in meaning. The old documentation was wrong.) Bug: 206 Change-Id: I4c6ca98d162d11ad5e17e4baf439a18fbe371018 Reviewed-on: https://boringssl-review.googlesource.com/21284 Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> Reviewed-by: Steven Valdez <svaldez@google.com>
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
/* Copyright (c) 2017, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#ifndef OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H
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#define OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H
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#include <openssl/err.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// Private error queue functions.
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// ERR_SAVE_STATE contains a saved representation of the error queue. It is
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// slightly more compact than |ERR_STATE| as the error queue will typically not
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// contain |ERR_NUM_ERRORS| entries.
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typedef struct err_save_state_st ERR_SAVE_STATE;
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// ERR_SAVE_STATE_free releases all memory associated with |state|.
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OPENSSL_EXPORT void ERR_SAVE_STATE_free(ERR_SAVE_STATE *state);
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// ERR_save_state returns a newly-allocated |ERR_SAVE_STATE| structure
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// containing the current state of the error queue or NULL on allocation
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// error. It should be released with |ERR_SAVE_STATE_free|.
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OPENSSL_EXPORT ERR_SAVE_STATE *ERR_save_state(void);
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// ERR_restore_state clears the error queue and replaces it with |state|.
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OPENSSL_EXPORT void ERR_restore_state(const ERR_SAVE_STATE *state);
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#if defined(__cplusplus)
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} // extern C
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extern "C++" {
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namespace bssl {
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BORINGSSL_MAKE_DELETER(ERR_SAVE_STATE, ERR_SAVE_STATE_free)
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} // namespace bssl
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} // extern C++
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#endif
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#endif // OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H
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